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I can write symbol equations to show chemical reactions . I can balance symbol equations ; 2.1 Limestone and its uses . I can state some uses of limestone . I can carry out the reaction and describe what happens when limestone is heated using word equations I can write balanced symbol equations to explain what happens when limestone is heated

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The water in the tank could be heated by using an electric immersion heater. Outline the advantages and disadvantages of using solar energy to heat the water rather than using an electric immersion heater (6 marks) Explain an environmental advantage of taking the methane gas from coal mines and using it to generate electricity (2 marks)

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Advantages and disadvantages of mineral mining? The advantages and disadvantages of mining can be determined based on facts uncovered by scientists and by personal opinions. One definite advantage is the fact that it brings in large amount of profits for the companies doing the mining.

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candidates will also be expected to write and balance symbol equations for reactions specified throughout the unit. aspects of quarrying. Knowledge of building materials is limited to limestone, their advantages and disadvantages over other materials. C1.2.1 Calcium carbonate a) Limestone, mainly composed of the compound

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C1 2.5 Limestone issues. Limestone quarrying has many advantages and disadvantages Advantages. It creates jobs. It provides building materials nearby. Disadvantages. Pollution. Noise pollution. It

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(ii) Limestone is taken from the ground by quarrying. Complete the table below, by ticking the correct boxes, to show advantages and disadvantages of quarrying limestone. The first one has been done for you. [4 marks] Quarrying Advantage Disadvantage produces noise provides jobs affects natural habitats produces dust affects the local economy

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Interactive PowerPoint summaries with debate/enquiry activities looking at use of limestone and socal, economic and environmental benefits (a-e covered) Enquiry activity using video, animation and whiteboard materials to debate the advantages and disadvantages of adding fluoride to drinking water.

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NAMES OF MINERAL RESOURCES, WHERE IT IS FOUND AND ITS USES. Limestone Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate (CaCO3). Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera.

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Uses for Limestone Powder Sciencing. Apr 24, 2017 · Limestone is used in virtually all construction materials. Limestone is added in with clay and heated to form cement, which can be made into mortar by adding sand and water. Mortar is used to set bricks and act as an adhesive when it dries. Limestone is also used in concrete and asphalt filler.

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Lime And Limestone Grinding In Sheffield Uk. PRODUCTS FOR CERAMICS AND STONE MATERIALS . 201534grinding aids for cement sealants grouts mapesil ac solvent free, acetic cross linking silicone sealantlastic, waterproof and mould resistantvailable in a range of colours to complement mapei groutsor forming expansion joints and for general sealing within ceramic tiled installationsuitable for

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Open-pit, open-cast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow.. This form of mining differs from extractive methods that require tunnelling into the earth, such as long wall mining.Open-pit mines are used when deposits of commercially useful ore or rocks are found near the surface.

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